21-(x+5)=5x-8

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Solution for 21-(x+5)=5x-8 equation: 



21-(x+5)=5x-8

We move all terms to the left:

21-(x+5)-(5x-8)=0

We get rid of parentheses

-x-5x-5+8+21=0

We add all the numbers together, and all the variables

-6x+24=0

We move all terms containing x to the left, all other terms to the right

-6x=-24

x=-24/-6

x=+4

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